[mythtv] Mediacodec playback of mpeg2 on fire stick 4k

[Peter Bennett]

On 12/9/19 9:22 PM, Aman Gupta wrote:
>
>
> On Mon, Dec 9, 2019 at 2:35 PM Peter Bennett <pb.mythtv at gmail.com 
> <mailto:pb.mythtv at gmail.com>> wrote:
>
>     Hi Aman
>
>     There is still the ongoing issue with decoding mpeg2 using mediacodec
>     through ffmpeg. The process hangs, and never gets any frames back.
>
>
> I have not experienced any such issue. You're not receiving even a 
> single frame back?
>
No frame is seen. This is only with fire stick 4k. It works fine on 
Nvidia Shield.
> Are you creating the decoder with a Surface or not?
>
This is not using a surface, just decoding with ffmpeg into memory and 
rendering after that with OpenGL. Mark Kendall is working on direct 
rendering. I do not know if the same problem will happen there, as the 
direct rendering is not currently in a working state.
>
>
>
>     As a separate project i have developed a pure android mythtv frontend
>     player, using java and the exoplayer library. It is working well
>     and I
>     am surprised to find that it plays mpeg2 perfectly and also
>     deinterlaces
>     it. Exoplayer uses pure mediacodec, there is no software video
>     decoding.
>
>     Whatever the problem is with mediacodec and fire stick 4K, evidently
>     there must be a way around it.
>
>     If you need any more information please contact me.
>
>     Regards
>     Peter
>

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